Backyard Scientists T-Shirts! Limited Edition campaign, buy one now! - http://shop.crowdmade.com/collections/backyardscientist/ Thanks to Audible.com for supporting my channel. Get a free 30 day subscription at http://www.Audible.com/Backyard Just how dangerous IS molten aluminum? Will it instantly burn a hole through your arm or just slide off? Will the leidenfrost effect save the day? Will I set my kitchen on fire?